/*测试sizeof()  测试环境：windows 7  64位操作系统    VS2012编译器 */

 #include <iostream>

 using namespace std;

 int main()

 {

     char a;

     short int b;

     int c;

     long int d;

     float e;

     double f;

     long double g;

     int* h;

     double* i;

     float* j;

     string strArr1;

     cout << "sizeof(char) = " << sizeof(a) << endl;

     cout << "sizeof(short int) = " << sizeof(b) << endl;

     cout << "sizeof(int) = " << sizeof(c) << endl;

     cout << "sizeof(long int) = " << sizeof(d) << endl;

     cout << "sizeof(float) = " << sizeof(e) << endl;

     cout << "sizeof(double) = " << sizeof(f) << endl;

     cout << "sizeof(long double) = " << sizeof(g) << endl;

     cout << "sizeof(int*) = " << sizeof(h) << endl;

     cout << "sizeof(double*) = " << sizeof(i) << endl;

     cout << "sizeof(float*) = " << sizeof(j) << endl;

     cout << "sizeof(string) = " << sizeof(strArr1) << endl;

     system("pause");

     return ;

 }